Answer:
Value of A = 10
Step-by-step explanation:
Here Isoke is solving the quadratic equation by completing the square
10x² + 40x – 13 = 0
10x² + 40x – 13 + 13 = 0 + 13
10x² + 40x + 0 = 13
10x² + 40x = 13
10 ( x² + 4x) = 13
Here it is given as
A(x² + 4x) = 13
Comparing both
We will get A = 10
10 is the value of A ......
√ 197
≈
14.03566884
So your answer should be 15 units
x is on R,Q and Q,P and y is R,S to S,P
picture it on a coordinate plane
not sure but i thibj the second one